八はち十じゅうalso: やそはちじゅうCommon wordMeanings1numericeighty; 80The number eighty. Used in counting, ages, prices, and other numerical contexts.祖そ父ふは今年ことし八はち十じゅう歳さいになります。My grandfather will be eighty years old this year.この本ほんは八はち十じゅうページあります。This book has eighty pages.